Three-component reactions based on trapping ammonium ylides with N-sulfonyl aldimines via cooperative catalysis of squaramides and Rh2(OAc)4
作者:Lin Qiu、Dongwei Wang、Fengping Lv、Xin Guo、Wenhao Hu、Liping Yang、Shunying Liu
DOI:10.1016/j.tet.2013.12.082
日期:2014.2
Three-component reactions of aryl diazoacetates, arylamines and N-sulfonyl aldimines cooperatively catalyzed by squaramides and dirhodium acetate are reported to afford N-sulfonyl alpha,beta-diamino acid derivatives in moderate to good yields and diastereoselectivity. Crown Copyright (c) 2014 Published by Elsevier Ltd. All rights reserved.